SB2017080815 - Two vulnerabilities in Windows Subsystem for Linux



SB2017080815 - Two vulnerabilities in Windows Subsystem for Linux

Published: August 8, 2017

Security Bulletin ID SB2017080815
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper input validation (CVE-ID: CVE-2017-8622)

The vulnerability allows a local user to elevate privileges on the system.

The vulnerability exists due to an error in the way that the Windows Subsystem for Linux handles NT pipes. A local user could exploit this vulnerability to execute code with elevated permissions.

Successful exploitation of the vulnerability may allow a local user to execute code with elevated privileges on the system.


2) Memory corruption (CVE-ID: CVE-2017-8627)

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to boundary error within Windows Subsystem for Linux. A local user could exploit this vulnerability to perform a denial of service attack.


Remediation

Install update from vendor's website.